[#283] pool: Compute avg time for every method

Signed-off-by: Denis Kirillov <denis@nspcc.ru>

pool/pool.go

@@ -60,8 +60,7 @@ type clientStatus interface {
 	address() string
 	currentErrorRate() uint32
 	overallErrorRate() uint64
-	latency() time.Duration
+	methodsStatus() map[string]methodStatus
-	requests() uint64
 }
 
 type clientStatusMonitor struct {
@@ -72,10 +71,33 @@ type clientStatusMonitor struct {
 	mu                sync.RWMutex // protect counters
 	currentErrorCount uint32
 	overallErrorCount uint64
+	methods           map[string]methodStatus
+}
+
+type methodStatus struct {
+	name        string
 	allTime     uint64
 	allRequests uint64
 }
 
+const (
+	methodBalanceGet       = "balanceGet"
+	methodContainerPut     = "containerPut"
+	methodContainerGet     = "containerGet"
+	methodContainerList    = "containerList"
+	methodContainerDelete  = "containerDelete"
+	methodContainerEACL    = "containerEACL"
+	methodContainerSetEACL = "containerSetEACL"
+	methodEndpointInfo     = "endpointInfo"
+	methodNetworkInfo      = "networkInfo"
+	methodObjectPut        = "objectPut"
+	methodObjectDelete     = "objectDelete"
+	methodObjectGet        = "objectGet"
+	methodObjectHead       = "objectHead"
+	methodObjectRange      = "objectRange"
+	methodSessionCreate    = "sessionCreate"
+)
+
 // clientWrapper is used by default, alternative implementations are intended for testing purposes only.
 type clientWrapper struct {
 	client sdkClient.Client
@@ -145,7 +167,7 @@ func (c *clientWrapper) balanceGet(ctx context.Context, prm PrmBalanceGet) (*acc
 
 	start := time.Now()
 	res, err := c.client.BalanceGet(ctx, cliPrm)
-	c.incRequests(time.Since(start))
+	c.incRequests(time.Since(start), methodBalanceGet)
 	var st apistatus.Status
 	if res != nil {
 		st = res.Status()
@@ -160,7 +182,7 @@ func (c *clientWrapper) balanceGet(ctx context.Context, prm PrmBalanceGet) (*acc
 func (c *clientWrapper) containerPut(ctx context.Context, prm PrmContainerPut) (*cid.ID, error) {
 	start := time.Now()
 	res, err := c.client.ContainerPut(ctx, prm.prmClient)
-	c.incRequests(time.Since(start))
+	c.incRequests(time.Since(start), methodContainerPut)
 	var st apistatus.Status
 	if res != nil {
 		st = res.Status()
@@ -187,7 +209,7 @@ func (c *clientWrapper) containerGet(ctx context.Context, prm PrmContainerGet) (
 
 	start := time.Now()
 	res, err := c.client.ContainerGet(ctx, cliPrm)
-	c.incRequests(time.Since(start))
+	c.incRequests(time.Since(start), methodContainerGet)
 	var st apistatus.Status
 	if res != nil {
 		st = res.Status()
@@ -206,7 +228,7 @@ func (c *clientWrapper) containerList(ctx context.Context, prm PrmContainerList)
 
 	start := time.Now()
 	res, err := c.client.ContainerList(ctx, cliPrm)
-	c.incRequests(time.Since(start))
+	c.incRequests(time.Since(start), methodContainerList)
 	var st apistatus.Status
 	if res != nil {
 		st = res.Status()
@@ -226,7 +248,7 @@ func (c *clientWrapper) containerDelete(ctx context.Context, prm PrmContainerDel
 
 	start := time.Now()
 	res, err := c.client.ContainerDelete(ctx, cliPrm)
-	c.incRequests(time.Since(start))
+	c.incRequests(time.Since(start), methodContainerDelete)
 	var st apistatus.Status
 	if res != nil {
 		st = res.Status()
@@ -248,7 +270,7 @@ func (c *clientWrapper) containerEACL(ctx context.Context, prm PrmContainerEACL)
 
 	start := time.Now()
 	res, err := c.client.ContainerEACL(ctx, cliPrm)
-	c.incRequests(time.Since(start))
+	c.incRequests(time.Since(start), methodContainerEACL)
 	var st apistatus.Status
 	if res != nil {
 		st = res.Status()
@@ -269,7 +291,7 @@ func (c *clientWrapper) containerSetEACL(ctx context.Context, prm PrmContainerSe
 
 	start := time.Now()
 	res, err := c.client.ContainerSetEACL(ctx, cliPrm)
-	c.incRequests(time.Since(start))
+	c.incRequests(time.Since(start), methodContainerSetEACL)
 	var st apistatus.Status
 	if res != nil {
 		st = res.Status()
@@ -298,7 +320,7 @@ func (c *clientWrapper) containerSetEACL(ctx context.Context, prm PrmContainerSe
 func (c *clientWrapper) endpointInfo(ctx context.Context, _ prmEndpointInfo) (*netmap.NodeInfo, error) {
 	start := time.Now()
 	res, err := c.client.EndpointInfo(ctx, sdkClient.PrmEndpointInfo{})
-	c.incRequests(time.Since(start))
+	c.incRequests(time.Since(start), methodEndpointInfo)
 	var st apistatus.Status
 	if res != nil {
 		st = res.Status()
@@ -312,7 +334,7 @@ func (c *clientWrapper) endpointInfo(ctx context.Context, _ prmEndpointInfo) (*n
 func (c *clientWrapper) networkInfo(ctx context.Context, _ prmNetworkInfo) (*netmap.NetworkInfo, error) {
 	start := time.Now()
 	res, err := c.client.NetworkInfo(ctx, sdkClient.PrmNetworkInfo{})
-	c.incRequests(time.Since(start))
+	c.incRequests(time.Since(start), methodNetworkInfo)
 	var st apistatus.Status
 	if res != nil {
 		st = res.Status()
@@ -327,7 +349,7 @@ func (c *clientWrapper) objectPut(ctx context.Context, prm PrmObjectPut) (*oid.I
 	var cliPrm sdkClient.PrmObjectPutInit
 	start := time.Now()
 	wObj, err := c.client.ObjectPutInit(ctx, cliPrm)
-	c.incRequests(time.Since(start))
+	c.incRequests(time.Since(start), methodObjectPut)
 	if err = c.handleError(nil, err); err != nil {
 		return nil, fmt.Errorf("init writing on API client: %w", err)
 	}
@@ -371,7 +393,7 @@ func (c *clientWrapper) objectPut(ctx context.Context, prm PrmObjectPut) (*oid.I
 				if n > 0 {
 					start = time.Now()
 					successWrite := wObj.WritePayloadChunk(buf[:n])
-					c.incRequests(time.Since(start))
+					c.incRequests(time.Since(start), methodObjectPut)
 					if !successWrite {
 						break
 					}
@@ -425,7 +447,7 @@ func (c *clientWrapper) objectDelete(ctx context.Context, prm PrmObjectDelete) e
 
 	start := time.Now()
 	res, err := c.client.ObjectDelete(ctx, cliPrm)
-	c.incRequests(time.Since(start))
+	c.incRequests(time.Since(start), methodObjectDelete)
 	var st apistatus.Status
 	if res != nil {
 		st = res.Status()
@@ -462,7 +484,7 @@ func (c *clientWrapper) objectGet(ctx context.Context, prm PrmObjectGet) (*ResGe
 
 	start := time.Now()
 	successReadHeader := rObj.ReadHeader(&res.Header)
-	c.incRequests(time.Since(start))
+	c.incRequests(time.Since(start), methodObjectGet)
 	if !successReadHeader {
 		rObjRes, err := rObj.Close()
 		var st apistatus.Status
@@ -475,7 +497,9 @@ func (c *clientWrapper) objectGet(ctx context.Context, prm PrmObjectGet) (*ResGe
 
 	res.Payload = &objectReadCloser{
 		reader: rObj,
-		elapsedTimeCallback: c.incRequests,
+		elapsedTimeCallback: func(elapsed time.Duration) {
+			c.incRequests(elapsed, methodObjectGet)
+		},
 	}
 
 	return &res, nil
@@ -502,7 +526,7 @@ func (c *clientWrapper) objectHead(ctx context.Context, prm PrmObjectHead) (*obj
 
 	start := time.Now()
 	res, err := c.client.ObjectHead(ctx, cliPrm)
-	c.incRequests(time.Since(start))
+	c.incRequests(time.Since(start), methodObjectHead)
 	var st apistatus.Status
 	if res != nil {
 		st = res.Status()
@@ -534,7 +558,7 @@ func (c *clientWrapper) objectRange(ctx context.Context, prm PrmObjectRange) (*R
 
 	start := time.Now()
 	res, err := c.client.ObjectRangeInit(ctx, cliPrm)
-	c.incRequests(time.Since(start))
+	c.incRequests(time.Since(start), methodObjectRange)
 	if err = c.handleError(nil, err); err != nil {
 		return nil, fmt.Errorf("init payload range reading on client: %w", err)
 	}
@@ -544,7 +568,9 @@ func (c *clientWrapper) objectRange(ctx context.Context, prm PrmObjectRange) (*R
 
 	return &ResObjectRange{
 		payload: res,
-		elapsedTimeCallback: c.incRequests,
+		elapsedTimeCallback: func(elapsed time.Duration) {
+			c.incRequests(elapsed, methodObjectRange)
+		},
 	}, nil
 }
 
@@ -580,7 +606,7 @@ func (c *clientWrapper) sessionCreate(ctx context.Context, prm prmCreateSession)
 
 	start := time.Now()
 	res, err := c.client.SessionCreate(ctx, cliPrm)
-	c.incRequests(time.Since(start))
+	c.incRequests(time.Since(start), methodSessionCreate)
 	var st apistatus.Status
 	if res != nil {
 		st = res.Status()
@@ -630,26 +656,28 @@ func (c *clientStatusMonitor) overallErrorRate() uint64 {
 	return c.overallErrorCount
 }
 
-func (c *clientStatusMonitor) latency() time.Duration {
+func (c *clientStatusMonitor) methodsStatus() map[string]methodStatus {
 	c.mu.RLock()
 	defer c.mu.RUnlock()
-	if c.allRequests == 0 {
+
-		return 0
+	result := make(map[string]methodStatus)
-	}
+	for key, val := range c.methods {
-	return time.Duration(c.allTime / c.allRequests)
+		result[key] = val
 	}
 
-func (c *clientStatusMonitor) requests() uint64 {
+	return result
-	c.mu.RLock()
-	defer c.mu.RUnlock()
-	return c.allRequests
 }
 
-func (c *clientStatusMonitor) incRequests(elapsed time.Duration) {
+func (c *clientStatusMonitor) incRequests(elapsed time.Duration, method string) {
 	c.mu.Lock()
 	defer c.mu.Unlock()
-	c.allTime += uint64(elapsed)
+	methodStat, ok := c.methods[method]
-	c.allRequests++
+	if !ok {
+		methodStat.name = method
+	}
+	methodStat.allTime += uint64(elapsed)
+	methodStat.allRequests++
+	c.methods[method] = methodStat
 }
 
 func (c *clientStatusMonitor) handleError(st apistatus.Status, err error) error {
@@ -1976,8 +2004,7 @@ func (p Pool) Statistic() Statistic {
 		for _, cl := range inner.clients {
 			node := NodeStatistic{
 				address:       cl.address(),
-				latency:       cl.latency(),
+				methods:       cl.methodsStatus(),
-				requests:      cl.requests(),
 				overallErrors: cl.overallErrorRate(),
 				currentErrors: cl.currentErrorRate(),
 			}

pool/statistic.go

@@ -39,8 +39,7 @@ func (s Statistic) Node(address string) (*NodeStatistic, error) {
 // NodeStatistic is metrics of certain connections.
 type NodeStatistic struct {
 	address       string
-	latency       time.Duration
+	methods       map[string]methodStatus
-	requests      uint64
 	overallErrors uint64
 	currentErrors uint32
 }
@@ -57,17 +56,98 @@ func (n NodeStatistic) CurrentErrors() uint32 {
 	return n.currentErrors
 }
 
-// Latency returns average latency for node request.
-func (n NodeStatistic) Latency() time.Duration {
-	return n.latency
-}
-
 // Requests returns number of requests.
-func (n NodeStatistic) Requests() uint64 {
+func (n NodeStatistic) Requests() (requests uint64) {
-	return n.requests
+	for _, val := range n.methods {
+		requests += val.allRequests
+	}
+	return requests
 }
 
 // Address returns node endpoint address.
 func (n NodeStatistic) Address() string {
 	return n.address
 }
+
+// AverageGetBalance returns average time to perform BalanceGet request.
+func (n NodeStatistic) AverageGetBalance() time.Duration {
+	return n.averageTime(methodBalanceGet)
+}
+
+// AveragePutContainer returns average time to perform ContainerPut request.
+func (n NodeStatistic) AveragePutContainer() time.Duration {
+	return n.averageTime(methodContainerPut)
+}
+
+// AverageGetContainer returns average time to perform ContainerGet request.
+func (n NodeStatistic) AverageGetContainer() time.Duration {
+	return n.averageTime(methodContainerGet)
+}
+
+// AverageListContainer returns average time to perform ContainerList request.
+func (n NodeStatistic) AverageListContainer() time.Duration {
+	return n.averageTime(methodContainerList)
+}
+
+// AverageDeleteContainer returns average time to perform ContainerDelete request.
+func (n NodeStatistic) AverageDeleteContainer() time.Duration {
+	return n.averageTime(methodContainerDelete)
+}
+
+// AverageGetContainerEACL returns average time to perform ContainerEACL request.
+func (n NodeStatistic) AverageGetContainerEACL() time.Duration {
+	return n.averageTime(methodContainerEACL)
+}
+
+// AverageSetContainerEACL returns average time to perform ContainerSetEACL request.
+func (n NodeStatistic) AverageSetContainerEACL() time.Duration {
+	return n.averageTime(methodContainerSetEACL)
+}
+
+// AverageEndpointInfo returns average time to perform EndpointInfo request.
+func (n NodeStatistic) AverageEndpointInfo() time.Duration {
+	return n.averageTime(methodEndpointInfo)
+}
+
+// AverageNetworkInfo returns average time to perform NetworkInfo request.
+func (n NodeStatistic) AverageNetworkInfo() time.Duration {
+	return n.averageTime(methodNetworkInfo)
+}
+
+// AveragePutObject returns average time to perform ObjectPut request.
+func (n NodeStatistic) AveragePutObject() time.Duration {
+	return n.averageTime(methodObjectPut)
+}
+
+// AverageDeleteObject returns average time to perform ObjectDelete request.
+func (n NodeStatistic) AverageDeleteObject() time.Duration {
+	return n.averageTime(methodObjectDelete)
+}
+
+// AverageGetObject returns average time to perform ObjectGet request.
+func (n NodeStatistic) AverageGetObject() time.Duration {
+	return n.averageTime(methodObjectGet)
+}
+
+// AverageHeadObject returns average time to perform ObjectHead request.
+func (n NodeStatistic) AverageHeadObject() time.Duration {
+	return n.averageTime(methodObjectHead)
+}
+
+// AverageRangeObject returns average time to perform ObjectRange request.
+func (n NodeStatistic) AverageRangeObject() time.Duration {
+	return n.averageTime(methodObjectRange)
+}
+
+// AverageCreateSession returns average time to perform SessionCreate request.
+func (n NodeStatistic) AverageCreateSession() time.Duration {
+	return n.averageTime(methodSessionCreate)
+}
+
+func (n NodeStatistic) averageTime(method string) time.Duration {
+	stat := n.methods[method]
+	if stat.allRequests == 0 {
+		return 0
+	}
+	return time.Duration(stat.allTime / stat.allRequests)
+}